Predictors | Men | Women | ||||
Adjusted R2 | β | p-value | Adjusted R2 | β | p-value | |
Muscle strength | ||||||
One-compartment model | ||||||
BMI | 0.29 | 2.50 | 0.00 | 0.30 | 1.58 | 0.00 |
Two-compartment model | ||||||
FFMI | 0.32 | 6.28 | 0.00 | 0.31 | 3.41 | 0.00 |
FMI | ns | 0.97 | 0.03 | |||
Three-compartment model | ||||||
ASMI | 0.47 | 17.01 | 0.00 | 0.51 | 11.74 | 0.00 |
BMC | 0.01 | 0.00 | 0.02 | 0.00 | ||
A/G%FM | ns | 16.68 | 0.00 | |||
Peak workload | ||||||
One-compartment model | ||||||
BMI | 0.47 | 0.96 | 0.00 | 0.40 | 0.56 | 0.02 |
Two-compartment model | ||||||
FFMI | 0.48 | 2.90 | 0.00 | 0.41 | 1.92 | 0.01 |
FMI | ns | ns | ||||
Three-compartment model | ||||||
ASMI | 0.56 | 8.06 | 0.00 | 0.47 | 10.68 | 0.00 |
BMC | 0.01 | 0.00 | ns | |||
A/G%FM | ns | ns | ||||
CET | ||||||
One-compartment model | ||||||
BMI | 0.02 | ns | 0.02 | ns | ||
Two-compartment model | ||||||
FFMI | 0.02 | 17.53 | 0.01 | 0.02 | ns | |
FMI | ns | |||||
Three-compartment model | ||||||
ASMI | 0.07 | 42.31 | 0.03 | 0.04 | ns | |
BMC | 0.08 | 0.03 | 0.10 | 0.02 | ||
A/G%FM | ns | ns | ||||
6MWD | ||||||
One-compartment model | ||||||
BMI | 0.14 | ns | 0.26 | −5.47 | 0.00 | |
Two-compartment model | ||||||
FFMI | 0.16 | 7.19 | 0.04 | 0.27 | ns | |
FMI | −5.43 | 0.01 | −7.62 | 0.00 | ||
Three-compartment model | ||||||
ASMI | 0.16 | ns | 0.20 | ns | ||
BMC | ns | ns | ||||
A/G%FM | 64.52 | 0.01 | −60.45 | 0.04 |
Summary of backward multiple regression analysis, with muscle strength, peak workload, cycling endurance time (CET) and 6-min walk distance (6MWD) as dependent variables and body composition models (one-compartment: body mass index (BMI); two-compartment: fat-free mass index (FFMI) and fat mass index (FMI); or three-compartment: appendicular skeletal muscle index (ASMI), bone mineral content (BMC) and android/gynoid percentage fat mass (A/G%FM)) as predictors. All models are adjusted for age and forced expiratory volume in 1 s. ns: nonsignificant.